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In this Friday, Feb. 11, 2011 photo, a census official collects information from a household in Bonda, on the outskirts of Gauhati, India. India is busily conducting its 15th national census, with millions of government workers deploying across the country to tally its estimated 1.17 billion people and ask questions on housing, work and education that should give a clearer picture of the world's most populous democracy and its very vast needs. (AP Photo/Anupam Nath)
/ AP